Change old PRG to be SkLCGRandom; change new one to SkRandom

gm/points.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "gm.h"
 #include "SkRandom.h"
 
 namespace skiagm {
 
 class PointsGM : public GM {
 public:
     PointsGM() {}
 
 protected:
     virtual SkString onShortName() {
         return SkString("points");
     }
 
     virtual SkISize onISize() {
         return make_isize(640, 490);
     }
 
-    static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) {
+    static void fill_pts(SkPoint pts[], size_t n, SkLCGRandom* rand) {
         for (size_t i = 0; i < n; i++) {
             // Compute these independently and store in variables, rather
             // than in the parameter-passing expression, to get consistent
             // evaluation order across compilers.
             SkScalar y = rand->nextUScalar1() * 480;
             SkScalar x = rand->nextUScalar1() * 640;
             pts[i].set(x, y);
         }
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         canvas->translate(SK_Scalar1, SK_Scalar1);
 
-        SkRandom rand;
+        SkLCGRandom rand;
         SkPaint  p0, p1, p2, p3;
         const size_t n = 99;
 
         p0.setColor(SK_ColorRED);
         p1.setColor(SK_ColorGREEN);
         p2.setColor(SK_ColorBLUE);
         p3.setColor(SK_ColorWHITE);
 
         p0.setStrokeWidth(SkIntToScalar(4));
         p2.setStrokeCap(SkPaint::kRound_Cap);
@@ skipping 13 matching lines @@
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new PointsGM; }
 static GMRegistry reg(MyFactory);
 
 }